Population in 1990: 440. Population change in the 1990s: +311 (+70.7%).

Place of birth for U.S.-born residents:

This state: 358

Northeast: 2

Midwest: 63

South: 3

West: 28

56% of the 52638 zip code residents lived in the same house 5 years ago. Out of people who lived in different houses, 68% lived in this county. Out of people who lived in different counties, 50% lived in Iowa.

95% of the 52638 zip code residents lived in the same house 1 year ago. Out of people who lived in different houses, 67% moved from this county. Out of people who lived in different houses, 33% moved from different county within same state.

Year Householders Moved Into Unit

Private vs. public school enrollment:

Students in private schools in grades 1 to 8 (elementary and middle school):

Biggest contracts:
$15,370,144 with Army for Ammunition, over 125 mm. Signed on 2005-02-04. Completion date: 2008-09-30.
$15,063,160, same as above.Signed on 2006-07-10. Completion date: 2008-01-15.
$14,529,719, same as above.Signed on 2004-08-23. Completion date: 2008-09-30.
$11,561,499, same as above.Signed on 2004-07-29. Completion date: 2004-12-30.

Biggest contracts:
$6,496,372 with Army for Ammunition, over 125 mm. Signed on 2001-02-27. Completion date: 2002-11-27.
$3,794,868, same as above.Signed on 2001-08-17. Completion date: 2002-01-31.
$2,286,665 with Army for Operation of Government-Owned Facilities -- Ammunition Facilities. Signed on 2003-04-02. Completion date: 2004-03-31.
$2,121,815 with Army for Services -- Basic Research (R&D). Signed on 2003-02-28. Completion date: 2002-09-30.